ROTARY TILLER - YANMAR

1 OPERATOR S MANUAL ROTARY TILLER RH170 RH190 Original instructions 1 TO THE OWNER Be sure to read this operator s manual before using. This operator s manual describes how to use this ROTARY correctly and safely and precautions for using it. Read this manual carefully before using the ROTARY . Keep this manual close to your tractor, after you have read through it. - Do not use this ROTARY until you understand the contents of this operator s manual. - When you lend or transfer this ROTARY , attach this operator s manual to the ROTARY . - When lost or damaged the operator s manual or safety labels, order promptly it from the store you purchased the ROTARY . - The operator s manual describes safety instructions for safety operations.

2 Be sure to read before use. - The ROTARY may change using parts for improvement. A part of illustrations, pictures and contents etc. may be different from the actual ROTARY . - Right-hand and Left-hand sides of the ROTARY are determined by facing in the direction of the tractor forward travel. 2 Symbols used DANGER "DANGER" indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury. WARNING "WARNING" indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury. CAUTION "CAUTION" indicates a potentially hazardous situation which, if not avoided, could result in minor or moderate injury. IMPORTANT This [IMPORTANT] symbol indicates important proper operation or service messages in this manual.

3 When you see this symbol, carefully read the messages that follow. [NOTE] NOTE describe precautions to take while working. The using purpose of the ROTARY Use this ROTARY for tilling and/or cultivating farm land by attaching to an agricultural tractor. Never work for a purpose other than agricultural works and never modify by yourself. Keep in mind that it would not be covered by the warranty in case that the ROTARY is modified without the approval of YANMAR . Applicable tractor ROTARY Model Tractor Model RH170 EF393T RH190 EF494T 3 TABLE OF CONTENTS TO THE OWNER 1 [1] Safety instructions 4 1-1. General cautions 4 1-2. When checking before and after work 6 1-3. When attaching/detaching the ROTARY 7 1-4. Cautions for work 7 1-5. Storing after work 8 1-6.

4 Location of safety labels 10 [2] After-sale service 11 Warranty documents 11 After-sale service 11 [3] Outline of ROTARY 12 [4] Attaching and detaching the ROTARY 13 4-1. Installing the lower link and the lift link 13 4-2. Installing the top link 15 4-3. Attaching/detaching the ROTARY 16 4-4. Adjusting the ROTARY 18 4-5. Installing tilling blade 19 [5] Check before work 21 5-1. Check procedure 21 5-2. Check points 21 [6] Adjusting the ROTARY to work 22 6-1. PTO shift 22 6-2. Adjusting rear cover 22 [7] Periodical check and maintenance 24 7-1. Periodic check table 24 7-2. Replacing gearbox oil 25 7-3. Replacing chain case oil 25 7-4. Replacing bearing case R oil 26 7-5. Grease and oil 26 7-6. Replacing tilling blade 27 [8] Others 28 Specifications 28 4 [1] Safety Instructions - Be sure to follow the instructions described here for safety operations.

5 - If you do not follow the safety instructions, it may cause injury, death, and may cause a breakage on the ROTARY . * Some instructions may not apply the ROTARY . 1-1. General cautions WARNING Never operate in such cases. - Not good physical condition due to overwork, ill or medication etc. - Drunk. - Pregnant. - Under aged to take driver's license Suitable clothing for work. - Don t wear loose clothing or muffler to avoid from being caught in a control lever or rotating part. - Wear non-slip shoes and helmet. When lending others the machine. Explain how to operate and tell to read the operator s manual well before use. When equipping an implement to the ROTARY , read the operator s manual of the implement. When you equip an implement to the ROTARY , be sure to read the operator s manual of the implement well in advance.

6 5 CAUTIONS Never modify by yourself. Use always genuine spare parts and never modify by yourself. Perform check and service. Be sure to check and service before and after using the ROTARY . Perform periodical check and service. Perform periodical check and service at least annually or every 1000 hours operation when the time comes earlier. Follow traffic regulation when driving on a road. Observe traffic regulation when driving on a road. 6 1-2. When checking before and after work WARNING Prevent the ROTARY from falling down when checking and servicing. At the time of check and service, close hydraulic slow/stop valve to prevent the ROTARY from falling down. In addition, put stands under skids or tilling blade shaft for safety.

7 Perform check and service on a flat and stabilized place. Perform check and service on a flat and stabilized place to prevent the machine from moving or falling down. Reinstall removed covers. Be sure reinstalling covers that were removed for servicing. CAUTION Be sure a rotation part stops. Move PTO gear shift lever to the neutral position and stop the engine. Be sure the rotating parts stop completely when performing check and service. 7 1-3. When attaching/detaching the ROTARY WARNING Perform attaching/detaching the ROTARY to/from the tractor on a flat place. Perform attaching/detaching the ROTARY on a flat and stabilized place. Light up at night time. Never allow bringing a person close up to the tractor and ROTARY .

8 When driving the tractor to detach/attach the ROTARY , keep people away from the tractor and ROTARY . Check 3-P hitch link connection before lifting the ROTARY . After attaching the ROTARY to the tractor, check the connection of top link, lower links and lift links before lifting the ROTARY by the position control lever. 1-4. Cautions for work WARNING Pay attention to people around the tractor when steering or reversing the tractor with the ROTARY . Be careful of surrounding people when reversing or steering the tractor with the ROTARY . Be sure to stop the engine when removing twined objects from tilling blade shaft. Never fail to stop the engine whenever removing the twined objects such straw, grass and weeds from the tilling blade shaft. 8 Never put hand or foot under the ROTARY .

9 Never get under the ROTARY . Never put hand or foot under the ROTARY . Keep a child away from the tractor. Never bring a child close to the tractor. Beware of dashing of the tractor in ROTARY work. During ROTARY tilling work, the tractor may dash suddenly in a field of hard soil condition, and/or there are hard object such stones, wood or stump, or much straws etc. in a field. The rotating blades push the tractor when blades hit hard objects. Use the ROTARY for only tilling work. Never work other than ROTARY tilling work. 1-5. Storing after work WARNING Prevent the ROTARY from falling down when checking and servicing. At the time of check and service, close hydraulic slow/stop valve to prevent the ROTARY from falling down. In addition, put stands under skids or tilling blade shaft for safety.

10 9 Perform check and service on a flat and stabilized place. Perform check and service on a flat and stabilized place to prevent the machine from moving or falling down. Be sure to stop the engine for check and service. Be sure to stop the engine when you carry out check, service and repair, or cleaning. Reinstall removed covers. Be sure reinstalling covers that were removed for servicing. CAUTION Put the ROTARY on a flat place when storing. When you store the ROTARY , lower the skid, put on a flat place and put a support to prevent from falling down. Be sure a rotation part stops. Move PTO gear shift lever to the neutral position and stop the engine. Be sure the rotating parts stop completely when performing check and service.